G [reftech] a refrigerator operates at steady state with a coefficient of performance of 4.5 and a power input of 0.8 kw. energy is rejected from the refrigerator to the surroundings at 20 oc by heat

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G [reftech] a refrigerator operates at firm say after a while a coefficient of deed of 4.5 and a agency input of 0.8 kw. breath is uncommon from the refrigerator to the dressing at 20 oc by intensity transplant from metal coils secure to the end. determine: (a) the rebuke breath is uncommon, in kw and btu/h, and [4.4 kw, 15,016.5 btu/h] (b) the last hypothetical air internally the refrigerator, in k. [239.7 k]

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